Illustration of a heraldic rampant lion on hind legs, like those found on a coat of arms
Hello all, I have a Scrub Oak tree in my front yard, and I have St. Augustine underneath it. The grass is very thin and I was told that is because oak trees turn the soil acidic. I had lime put down last year but the grass still looks the same.ello all, I have a Scrub Oak tree in my front yard, and I have St. Augustine underneath it. The grass is very thin and I was told that is because oak trees turn the soil acidic. I had lime put down last year but the grass still looks the same.
Use wood ashes as a soil amendment for plants suffering from potassium deficiencies. Potassium deficiencies appear in plants as a browning or discoloration of leaf edges. It is important to test the soil and rule out any other possible diseases, but if potassium is lacking, wood ashes add it to the soil.